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The average power dissipated in a pure inductor is
Options
(a) VI²/4
(b) 1/2 VI
(c) zero
(d) VI²
Correct Answer:
zero
Explanation:
In the inductor circuit, phase difference (ɸ) = 90° or π / 2
we know that, Pₐᵥ = V(rms) I(rms) cos ɸ = V(rms) I(rms) cos(π/2)
Therefore, Pₐᵥ = 0
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Solar radiation is
- The angular speed of earth, so that the object on equator may appear weightless
- If in a p-n junction, a square input signal of 10 V is applied as shown, then the output
- A simple pendulum oscillates in a vertical plane. When it passes through the mean
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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